<?xml version="1.0" encoding="utf-8"?>
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  <doc>
    <id>34963</id>
    <completedYear/>
    <publishedYear>2015</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>985</pageFirst>
    <pageLast>991</pageLast>
    <pageNumber/>
    <edition/>
    <issue>11-12</issue>
    <volume>57</volume>
    <type>article</type>
    <publisherName>Hanser</publisherName>
    <publisherPlace>München</publisherPlace>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">X-ray compton line scan tomography</title>
    <abstract language="eng">The potentials of incoherent X-ray scattering (Compton) computed tomography (CT) are investigated. The imaging of materials of very different atomic number or density at once is generally a perpetual challenge for X-ray tomography or radiography. In a basic laboratory set-up for simultaneous perpendicular Compton scattering and direct beam attenuation tomography are conducted by single channel photon counting line scans. This results in asymmetric distortions of the projection profiles of the scattering CT data set. In a first approach, corrections of Compton scattering data by taking advantage of rotational symmetry yield tomograms without major geometric artefacts. A cylindrical sample composed of PE, PA, PVC, glass and wood demonstrates similar Compton contrast for all the substances, while the conventional absorption tomogram only reveals the two high order materials. Comparison to neutron tomography &#13;
reveals astonishing similarities except for the glass component (without hydrogen). Therefore, Compton CT offers the potential to replace neutron tomography, which requires much more efforts.</abstract>
    <parentTitle language="eng">Materials testing</parentTitle>
    <identifier type="old">38113</identifier>
    <identifier type="doi">10.3139/120.110799</identifier>
    <identifier type="issn">0025-5300</identifier>
    <enrichment key="date_peer_review">25.11.2015</enrichment>
    <author>Andreas Kupsch</author>
    <author>Axel Lange</author>
    <author>Manfred P. Hentschel</author>
    <author>Gerd-Rüdiger Jaenisch</author>
    <author>N. Kardjilov</author>
    <author>C. Tötzke</author>
    <author>Henning Markötter</author>
    <author>A. Hilger</author>
    <author>I. Manke</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>X-ray compton scattering</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Computed tomography</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Neutron tomography</value>
    </subject>
    <collection role="literaturgattung" number="">Eigenverlag BAM</collection>
    <collection role="fulltextaccess" number="">Datei im Netzwerk der BAM verfügbar ("Closed Access")</collection>
  </doc>
  <doc>
    <id>31972</id>
    <completedYear/>
    <publishedYear>2014</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>1</pageFirst>
    <pageLast>9</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>conferenceobject</type>
    <publisherName>Brno University of Technology</publisherName>
    <publisherPlace>Brno</publisherPlace>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">X-ray compton tomography</title>
    <abstract language="deu">The potentials of incoherent X-ray Scattering (Compton) tomography are investigated. Imaging materials of very different density or atomic number at once is a perpetual challenge for X-ray tomography or radiography, in general. In a basic laboratory set-up for simultaneous perpendicular Compton Scattering and direct beam attenuation tomographic scans are conducted by single channel photon counting. This results in asymmetric distortions of the projection profiles of the scattering CT-data set. ln a first approach corrections of Compton scattering data by taking advantage of rotational symmetry yield tomograms without major geometric artefacts.&#13;
A cylindrical sample composed of PE, PA, PVC, glass and wood demonstrates similar Compton contrast for all the substances, while the conventional absorption tomogram only reveals the two high order materials.&#13;
Compärison to neutron tomography reveals astonishing similarities except for the glass component (without hydrogen). Therefore, Compton CT bears the potential to replace neutron tomography, which requires much more efforts.</abstract>
    <parentTitle language="eng">ECNDT 2014 Proceedings</parentTitle>
    <identifier type="old">35030</identifier>
    <identifier type="isbn">978-80-214-5018-9</identifier>
    <enrichment key="eventName">ECNDT 2014 - 11th European Conference on Non-Destructive Testing</enrichment>
    <enrichment key="eventPlace">Prague, Czech Republic</enrichment>
    <enrichment key="eventStart">06.10.2014</enrichment>
    <enrichment key="eventEnd">10.10.2014</enrichment>
    <enrichment key="date_peer_review">17.11.2014</enrichment>
    <author>Axel Lange</author>
    <author>Manfred P. Hentschel</author>
    <author>Andreas Kupsch</author>
    <author>Gerd-Rüdiger Jaenisch</author>
    <author>N. Kardjilov</author>
    <author>C. Tötzke</author>
    <author>Henning Markötter</author>
    <author>A. Hilger</author>
    <author>I. Manke</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>X-ray compton scattering</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Computed tomography</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Neutron tomography</value>
    </subject>
    <collection role="fulltextaccess" number="">Datei im Netzwerk der BAM verfügbar ("Closed Access")</collection>
    <collection role="literaturgattung" number="">Graue Literatur</collection>
  </doc>
</export-example>
